Related Experiment Video
Updated: Aug 8, 2026

05:59
Trypsinizing and Subculturing Mammalian Cells
Published on: June 12, 2008
Callus and suspension culture induction, maintenance, and characterization
Alejandrina Robledo-Paz1, María Nélida Vázquez-Sánchez, Rosa María Adame-Alvarez
1Programa de Semillas, Colegio de Postgraduados, Montecillo, Edo de México.
Methods in Molecular Biology (Clifton, N.J.)
|May 6, 2006
Summary
Long-term plant cell culture maintenance is achievable using somatic embryos in garlic and tobacco suspension cultures. These methods ensure sustained regeneration and viability for over five and ten years, respectively, crucial for research.
Area of Science:
- Plant Biotechnology
- Cell Biology
- Horticultural Science
Background:
- Long-term maintenance of plant cell cultures is essential for research and propagation.
- Established protocols for garlic somatic embryogenesis and tobacco cell suspension cultures are needed.
Purpose of the Study:
- To describe procedures for long-term maintenance of garlic somatic embryos and tobacco suspension cultures.
- To detail methods for plant regeneration, growth kinetics, and cell viability assessment.
Main Methods:
- Induction and maintenance of garlic somatic embryos for over 5 years.
- Maintenance of tobacco suspension culture (NT-1 cells) for over 10 years.
- Assessment of garlic plant regeneration, growth kinetics, and NT-1 cell viability using 2,3,5 triphenyltetrazolium chloride staining and packed cell volume determination.
Main Results:
- Garlic somatic embryos maintained regeneration capacity for over 5 years.
- Tobacco NT-1 suspension cells were maintained viable for over 10 years.
- Growth kinetics and cell viability parameters were established for both culture systems.
Conclusions:
- Somatic embryogenesis in garlic and suspension cultures of tobacco (NT-1) provide robust systems for long-term cell culture maintenance.
- The described methods facilitate sustained viability and regeneration capacity, supporting extensive research applications.
Related Concept Videos
Cell Culture
Most vertebrate cells grow in vitro attached to a substrate as a monolayer, called adherent cultures. The flasks and plates used to grow cells are chemically treated to facilitate cell attachment. However, a few cell types, such as hematopoietic cells, can grow in a suspension. In contrast to adherent cultures, suspension cultures can grow in non-treated cultureware using magnetic stirrers or spinner flasks to agitate the culture media
Techniques for Isolation of Pure Cultures
Microorganisms are routinely cultured in the laboratory using various techniques to isolate, grow, and quantify them for further study. These methods rely on inoculating microorganisms into a suitable growth medium under aseptic conditions to prevent contamination. Depending on the objective, inoculation can involve direct transfer or the use of diluted bacterial suspensions as the inoculum.Streak-Plate Method for IsolationThe streak-plate method is a common technique for obtaining pure...
Need for Obtaining Pure Cultures
Pure cultures, defined as the growth of a single microorganism species isolated from mixed populations, are fundamental tools in microbiological research and practical applications. These cultures ensure genetic and physiological uniformity, allowing researchers to study microbial traits under controlled conditions.Isolation and Maintenance of Pure CulturesObtaining a pure culture involves isolating a single microbial type from a mixed sample through techniques such as serial dilutions, streak...

